MTM Case-Gard J-20 series ammunition cases are a favorite of rifle enthusiasts throughout the world. Made of virtually indestructible polypropylene that will not warp, crack, chip, peel, expand or contract. The Case-Gard J-20's are available in five sizes. All rounds are listed bullet up position. Some reloaders don't like the lid touching there bullets, so the lid dimension below is for them.Read more
Some reloaders don't like the lid touching there bullets, so the lid dimension below is for them. There are a lot of reloaders that expand the case as much as half inch and claim no problems with accuracy.
J-20-XS Cartridge Sizes
17 / 221 / 223 Rem., 17 Fireball, 17 Mach 4, 204 Ruger, 218 Bee, 222 Rem. Mag., 300 Sherwood, 300 Whisper, 32 Ideal, 32 Win. S. L., 351 WSL, 6x47 6mm-223 Rem., 810 Cadet.
Lid is at 2.35" OAL.